package com.sayimo.maker.commons.utils;

import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.net.MalformedURLException;
import java.util.Hashtable;

import javax.imageio.ImageIO;

import com.google.zxing.BarcodeFormat;
import com.google.zxing.EncodeHintType;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.WriterException;
import com.google.zxing.common.BitMatrix;
import com.sayimo.uploadfile.util.UploadFileInfo;
import com.sayimo.uploadfile.util.UploadFileResult;
import com.sayimo.uploadfile.util.UploadFileUtil;

public class QrCodeUtil {

	private static final int BLACK = 0xFF000000;
	private static final int WHITE = 0xFFFFFFFF;

	private QrCodeUtil() {

	}

	public static BufferedImage toBufferedImage(BitMatrix matrix) {
		int width = matrix.getWidth();
		int height = matrix.getHeight();
		BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
		for (int x = 0; x < width; x++) {
			for (int y = 0; y < height; y++) {
				image.setRGB(x, y, matrix.get(x, y) ? BLACK : WHITE);
			}
		}
		return image;
	}

	public static void writeToFile(BitMatrix matrix, String format, File file) throws IOException {
		BufferedImage image = toBufferedImage(matrix);
		if (!ImageIO.write(image, format, file)) {
			throw new IOException("Could not write an image of format " + format + " to " + file);
		}
	}

	public static void writeToStream(BitMatrix matrix, String format, OutputStream stream) throws IOException {
		BufferedImage image = toBufferedImage(matrix);
		if (!ImageIO.write(image, format, stream)) {
			throw new IOException("Could not write an image of format " + format);
		}
	}

	public static String generateQrCode(String text, String name) {
		String URL = "";
		int width = 100; // 二维码图片宽度
		int height = 100; // 二维码图片高度
		String format = "png";// 二维码的图片格式
		Hashtable<EncodeHintType, String> hints = new Hashtable<EncodeHintType, String>();
		hints.put(EncodeHintType.CHARACTER_SET, "utf-8"); // 内容所使用字符集编码
		try {
			BitMatrix bitMatrix = new MultiFormatWriter().encode(text, BarcodeFormat.QR_CODE, width, height, hints);

			// 生成二维码

			File outputFile = new File(QrCodeUtil.class.getClassLoader().getResource("").getPath() + name + ".png");
			MatrixToImageWriter.writeToFile(bitMatrix, format, outputFile);
			UploadFileResult fileResult = UploadFileUtil.upload(PropertiesUtils.getValue("UPLOAD_SERVER"),
					new File[] { outputFile }, new String[] { outputFile.getName() },
					PropertiesUtils.getValue("FILE_SAVE_PATH") + "/qrcode",
					PropertiesUtils.getValue("QRIMGPATH"));

			UploadFileInfo uploadFileInfo = fileResult.getFiles()[0];
			URL = uploadFileInfo.getFileUrl() + "/" + uploadFileInfo.getProFileName();
			if (outputFile.isFile()) {
				outputFile.delete();
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		return URL;
	}

	public static void main(String[] args) throws MalformedURLException, IOException, WriterException {
		String url = "http://testapi.sayimo.cn/fileserver/file/uploadFile.action";
		String text = "http://testapi.sayimo.cn/schoolapp/myorder/reservedOrdersDetail.html?ordersId=228&providerId=129";
		String filePath ="cy_images/qrcode";
		String imagePath = "cy_qrcode";
		String format = "png";// 二维码的图片格式
		Hashtable<EncodeHintType, String> hints = new Hashtable<EncodeHintType, String>();
		hints.put(EncodeHintType.CHARACTER_SET, "utf-8"); // 内容所使用字符集编码
		BitMatrix bitMatrix = new MultiFormatWriter().encode(text, BarcodeFormat.QR_CODE, 100, 100, hints);
		File outputFile = new File(QrCodeUtil.class.getClassLoader().getResource("").getPath() + "ganTie" + ".png");
		MatrixToImageWriter.writeToFile(bitMatrix, format, outputFile);
		UploadFileResult fileResult = UploadFileUtil.upload(url, new File[] { outputFile },
				new String[] { outputFile.getName() }, filePath, imagePath);

		UploadFileInfo uploadFileInfo = fileResult.getFiles()[0];
		String URLL = uploadFileInfo.getFileUrl() + "/" + uploadFileInfo.getProFileName();
		File dfile = new File(QrCodeUtil.class.getClassLoader().getResource("").getPath() + "ganTie" + ".png");
		if (dfile.exists()) {
			dfile.getAbsoluteFile().delete();
		}
		System.out.println(URLL);
	}
}
